How to watch, previewHansi Flick's side humiliated Real Madrid at the Santiago Bernabeu in a 4-0 thumping in La Liga earlier this season and also beat them 5-2 in the Spanish Super Cup final in Saudi Arabia.

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The referee for the final of the Copa del Rey has choked up while denouncing the toxic environment his family has endured after Real Madrid's television channel ran a video discrediting him ahead of the game against Barcelona.